{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "These results implicate a precursor - specific base - paired structure involving sequences on both sides of the mature cleavage site in the 3 ' processing of human U2 RNA ."}
{"GENE": ["human U2 RNA"]}